graphql-codegen/lib/swift/types.js

Generate client code based on a GraphQL schema and query documents

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.typeNameFromGraphQLType = typeNameFromGraphQLType;
exports.typeDeclarationForGraphQLType = typeDeclarationForGraphQLType;

var _printing = require('../utilities/printing.js');

var _changeCase = require('change-case');

var _graphql = require('graphql');

function typeNameFromGraphQLType(type, unmodifiedTypeName) {
  var nullable = arguments.length <= 2 || arguments[2] === undefined ? true : arguments[2];

  if (type instanceof _graphql.GraphQLNonNull) {
    return typeNameFromGraphQLType(type.ofType, unmodifiedTypeName, false);
  }

  var typeName = void 0;
  if (type instanceof _graphql.GraphQLList) {
    typeName = '[' + typeNameFromGraphQLType(type.ofType, unmodifiedTypeName, true) + ']';
  } else if (type === _graphql.GraphQLID) {
    typeName = 'GraphQLID';
  } else {
    typeName = unmodifiedTypeName || type.name;
  }

  return nullable ? typeName + '?' : typeName;
}

function typeDeclarationForGraphQLType(type) {
  if (type instanceof _graphql.GraphQLEnumType) {
    return enumerationDeclaration(type);
  }
}

function enumerationDeclaration(type) {
  var name = type.name;
  var description = type.description;

  var values = type.getValues();

  var caseDeclarations = values.map(function (value) {
    return 'case ' + (0, _changeCase.camelCase)(value.name) + ' = "' + value.value + '"' + (0, _printing.wrap)(' /// ', value.description);
  });

  return (0, _printing.join)([description && '/// ' + description + '\n', 'public enum ' + name + ': String ', (0, _printing.block)(caseDeclarations), '\n\n', 'extension ' + name + ': JSONDecodable, JSONEncodable {}']);
}